ARIN registry — WHOIS, browse & statistics
A daily mirror of ARIN's public delegated registry (North America). Look up a resource, browse every object, or find a company's resources by name.
Single-resource lookup in ARIN’s delegated registry, enriched live from ARIN RDAP.
// what ARIN has delegated
ARIN registry at a glance
🌐
Assigned IPv4 addresses
1.64B
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.55.224.0 – 192.55.224.255 | 256 |  CA |
allocated | 1989-08-31 | c8bae1572cdf… |
| 192.55.213.0 – 192.55.213.255 | 256 |  US |
allocated | 1989-08-30 | a39fdd9ce2d6… |
| 192.55.218.0 – 192.55.218.255 | 256 | US |
allocated | 1989-08-30 | 051015aaba29… |
| 136.144.0.0 – 136.144.15.255 | 4,096 | US |
allocated | 1989-08-29 | f85c5b57b3f0… |
| 136.145.0.0 – 136.145.255.255 | 65,536 |  PR |
allocated | 1989-08-29 | ca80d6e1f123… |
| 192.55.214.0 – 192.55.214.255 | 256 | US |
allocated | 1989-08-29 | 54bbd132f0cf… |
| 192.55.221.0 – 192.55.221.255 | 256 | US |
allocated | 1989-08-29 | 0a2cfebb61a8… |
| 192.58.19.0 – 192.58.19.255 | 256 | US |
allocated | 1989-08-29 | 2d90cbf4f78e… |
| 192.58.20.0 – 192.58.23.255 | 1,024 | US |
allocated | 1989-08-29 | 2d90cbf4f78e… |
| 192.58.24.0 – 192.58.27.255 | 1,024 | US |
allocated | 1989-08-29 | 2d90cbf4f78e… |
| 136.141.0.0 – 136.141.255.255 | 65,536 | US |
allocated | 1989-08-24 | a3adae12f224… |
| 136.142.0.0 – 136.142.255.255 | 65,536 | US |
allocated | 1989-08-24 | 48d089d33efb… |
| 192.58.4.0 – 192.58.7.255 | 1,024 | US |
allocated | 1989-08-24 | 45fe880b68a8… |
| 192.58.8.0 – 192.58.8.255 | 256 | US |
allocated | 1989-08-24 | 45fe880b68a8… |
| 134.250.0.0 – 134.250.255.255 | 65,536 | US |
allocated | 1989-08-23 | ba014829356f… |
| 134.252.0.0 – 134.252.255.255 | 65,536 | US |
allocated | 1989-08-23 | 7a6198df10e8… |
| 134.253.0.0 – 134.253.255.255 | 65,536 | US |
allocated | 1989-08-23 | 20cd1178e946… |
| 134.254.0.0 – 134.254.255.255 | 65,536 | US |
allocated | 1989-08-23 | 45fe880b68a8… |
| 192.55.207.0 – 192.55.207.255 | 256 | US |
allocated | 1989-08-23 | ab226dc561ca… |
| 192.55.208.0 – 192.55.208.255 | 256 | US |
allocated | 1989-08-23 | db652b17a021… |
| 192.55.210.0 – 192.55.210.255 | 256 | US |
allocated | 1989-08-23 | 6af3dbdad10c… |
| 192.55.211.0 – 192.55.211.255 | 256 | US |
allocated | 1989-08-23 | 6af3dbdad10c… |
| 134.248.0.0 – 134.248.255.255 | 65,536 | US |
allocated | 1989-08-22 | 2627037a004b… |
| 136.131.0.0 – 136.131.255.255 | 65,536 | US |
allocated | 1989-08-22 | ce4419bfa21e… |
| 136.133.0.0 – 136.133.255.255 | 65,536 | US |
allocated | 1989-08-22 | ce4419bfa21e… |
| 136.143.128.0 – 136.143.129.255 | 512 | US |
allocated | 1989-08-22 | 52019b5202e2… |
| 136.143.130.0 – 136.143.130.255 | 256 | US |
allocated | 1989-08-22 | 52019b5202e2… |
| 136.143.132.0 – 136.143.133.255 | 512 | US |
allocated | 1989-08-22 | 52019b5202e2… |
| 136.143.134.0 – 136.143.134.255 | 256 | US |
allocated | 1989-08-22 | 52019b5202e2… |
| 136.143.202.0 – 136.143.203.255 | 512 | US |
allocated | 1989-08-22 | 52019b5202e2… |
| 192.55.201.0 – 192.55.201.255 | 256 | US |
allocated | 1989-08-22 | ade091743c89… |
| 192.55.202.0 – 192.55.202.255 | 256 | US |
allocated | 1989-08-22 | 501eb4ea8218… |
| 192.55.203.0 – 192.55.203.255 | 256 | US |
allocated | 1989-08-22 | 3568de3135ba… |
| 192.55.204.0 – 192.55.204.255 | 256 | US |
allocated | 1989-08-22 | 1c9f8d4a04fb… |
| 192.55.206.0 – 192.55.206.255 | 256 | CA |
allocated | 1989-08-22 | ca0509624257… |
| 192.55.199.0 – 192.55.199.255 | 256 | US |
allocated | 1989-08-17 | 2d90cbf4f78e… |
| 192.55.195.0 – 192.55.195.255 | 256 | US |
allocated | 1989-08-16 | 65903a453626… |
| 192.55.196.0 – 192.55.196.255 | 256 | US |
allocated | 1989-08-16 | ffd67fadfdd4… |
| 192.58.1.0 – 192.58.1.255 | 256 | US |
allocated | 1989-08-16 | 2fc72c3bfb52… |
| 192.58.2.0 – 192.58.2.255 | 256 | US |
allocated | 1989-08-16 | 2fc72c3bfb52… |
| 192.58.3.0 – 192.58.3.255 | 256 | US |
allocated | 1989-08-16 | 2fc72c3bfb52… |
| 134.242.0.0 – 134.242.15.255 | 4,096 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.16.0 – 134.242.19.255 | 1,024 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.20.0 – 134.242.21.255 | 512 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.22.0 – 134.242.22.255 | 256 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.23.0 – 134.242.23.255 | 256 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.24.0 – 134.242.24.255 | 256 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.25.0 – 134.242.25.255 | 256 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.26.0 – 134.242.27.255 | 512 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.28.0 – 134.242.31.255 | 1,024 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.32.0 – 134.242.47.255 | 4,096 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.48.0 – 134.242.51.255 | 1,024 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.52.0 – 134.242.55.255 | 1,024 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.56.0 – 134.242.63.255 | 2,048 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.64.0 – 134.242.95.255 | 8,192 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.96.0 – 134.242.103.255 | 2,048 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.104.0 – 134.242.111.255 | 2,048 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.112.0 – 134.242.119.255 | 2,048 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.120.0 – 134.242.123.255 | 1,024 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.124.0 – 134.242.125.255 | 512 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.126.0 – 134.242.126.255 | 256 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.127.0 – 134.242.127.255 | 256 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.128.0 – 134.242.143.255 | 4,096 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.144.0 – 134.242.159.255 | 4,096 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.160.0 – 134.242.191.255 | 8,192 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.192.0 – 134.242.192.255 | 256 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.193.0 – 134.242.193.255 | 256 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.194.0 – 134.242.194.255 | 256 | US |
allocated | 1989-08-15 | 30b5ca67d880… |
| 134.242.195.0 – 134.242.195.255 | 256 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.196.0 – 134.242.199.255 | 1,024 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.200.0 – 134.242.207.255 | 2,048 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.242.208.0 – 134.242.223.255 | 4,096 | US |
allocated | 1989-08-15 | 76b23aeba674… |
| 134.243.0.0 – 134.243.255.255 | 65,536 | US |
allocated | 1989-08-15 | 29c3fba2ac82… |
| 134.244.0.0 – 134.244.255.255 | 65,536 | US |
allocated | 1989-08-15 | e26447750f54… |
| 192.55.194.0 – 192.55.194.255 | 256 | CA |
allocated | 1989-08-15 | ab0b04510ace… |
| 134.241.0.0 – 134.241.255.255 | 65,536 | US |
allocated | 1989-08-10 | 5d2d064a92b4… |
| 132.203.0.0 – 132.203.255.255 | 65,536 | CA |
allocated | 1989-08-08 | d23f49874d50… |
| 134.240.0.0 – 134.240.255.255 | 65,536 | US |
allocated | 1989-08-08 | 45fe880b68a8… |
| 192.55.137.0 – 192.55.137.255 | 256 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.138.0 – 192.55.139.255 | 512 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.140.0 – 192.55.143.255 | 1,024 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.144.0 – 192.55.159.255 | 4,096 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.160.0 – 192.55.175.255 | 4,096 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.176.0 – 192.55.183.255 | 2,048 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.184.0 – 192.55.185.255 | 512 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.186.0 – 192.55.186.255 | 256 | US |
allocated | 1989-08-08 | 1211d341587d… |
| 192.55.187.0 – 192.55.187.255 | 256 | US |
allocated | 1989-08-08 | 877704ac9cf9… |
| 192.55.189.0 – 192.55.189.255 | 256 | US |
allocated | 1989-08-08 | cab4a4041c8b… |
| 134.232.0.0 – 134.232.255.255 | 65,536 | US |
allocated | 1989-08-07 | 45fe880b68a8… |
| 134.233.0.0 – 134.233.255.255 | 65,536 | US |
allocated | 1989-08-07 | 45fe880b68a8… |
| 134.234.0.0 – 134.234.255.255 | 65,536 | US |
allocated | 1989-08-07 | 45fe880b68a8… |
| 134.235.0.0 – 134.235.255.255 | 65,536 | US |
allocated | 1989-08-07 | 45fe880b68a8… |
| 192.55.134.0 – 192.55.134.255 | 256 | US |
allocated | 1989-08-07 | 45fe880b68a8… |
| 192.55.135.0 – 192.55.135.255 | 256 | US |
allocated | 1989-08-07 | 41374fdf8243… |
| 134.229.0.0 – 134.229.255.255 | 65,536 | US |
allocated | 1989-08-04 | 45fe880b68a8… |
| 134.230.0.0 – 134.230.255.255 | 65,536 | US |
allocated | 1989-08-04 | 45fe880b68a8… |
| 134.231.0.0 – 134.231.15.255 | 4,096 | US |
allocated | 1989-08-04 | 080e1d5f3549… |
| 192.55.133.0 – 192.55.133.255 | 256 | US |
allocated | 1989-08-04 | 45fe880b68a8… |
| 192.55.131.0 – 192.55.131.255 | 256 | US |
allocated | 1989-08-03 | fb25dd8090ab… |
| 192.55.125.0 – 192.55.125.255 | 256 | US |
allocated | 1989-08-02 | 53a8eea90c31… |